Here's what rhymes with gladiole.
whole role soul coal goal hole pole roll sole bowl fol mole poll toll parole knoll shoal dole droll foal bole boll thole troll vole kohl tole prole dolour stole stroll petiole oriole cubbyhole skoal control patrol glycerol scroll enroll casserole vacuole cajole unroll bedroll maypole beanpole rissole systole extol arteriole buttonhole condole camisole extoll innersole profiterole quadrupole decontrol pigeonhole